Home / 117,053.17-161,534.55-63,339.24

Finding the Fourth Proportional to 117,053.17, 161,534.55 and 63,339.24

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Solution

The fourth proportional to 117,053.17, 161,534.55 and 63,339.24 is: 87,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,053.17 : 161,534.55 = 63,339.24 : x
  2. Step 2: Convert to fraction form
    117,053.17/161,534.55 = 63,339.24/x
  3. Step 3: Cross multiply
    117,053.17x = 161,534.55 × 63,339.24
  4. Step 4: Simplify right side
    117,053.17x = 10,231,475,630.74
  5. Step 5: Solve for x
    x = 10,231,475,630.74/117,053.17
  6. Step 6: Final answer
    x = 87,408.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.